the mean obtained by adding several quantities together and dividing the sum by the number of quantities: the arithmetic mean of 1, 5, 2, and 8 is 4.
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Also called average.
Origin of arithmetic mean
First recorded in 1790–1800
Words nearby arithmetic mean
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for arithmetic mean
an average value of a set of integers, terms, or quantities, expressed as their sum divided by their numberthe arithmetic mean of 3, 4, and 8 is 5 Often shortened to: mean Also called: average Compare geometric mean
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for arithmetic mean
[ ə-rĭth′mĭ-tĭk ]
The value obtained by calculating the sum of a set of quantities and then dividing that sum by the number of quantities in the set.average
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for arithmetic mean
[ ăr′ĭth-mĕt′ĭk ]
The value obtained by dividing the sum of a set of quantities by the number of quantities in the set. For example, if there are three test scores 70, 83, and 90, the arithmetic mean of the scores is their sum (243) divided by the number of scores (3), or 81. See more at mean. Compare average median mode.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.